[GRASS-dev] OpenCL Parallelization

Jeshua Lacock jeshua at OpenOSX.com
Tue Sep 15 02:48:15 EDT 2009

On Sep 14, 2009, at 12:08 PM, Helena Mitasova wrote:

> I will be happy to assist with v.surf.rst, v.vol.rst (I even have  
> v.volt.rst - that is 3D+time).


> It has been parallelized couple times in past - the parallel version  
> never survives more than
> one release cycle because the tools for parallelization or the  
> architecture changes
> and there is nobody to update.

Do you think it might be different with the advent of OpenCL?

> I may have one more recent version that was done for beowulf
> cluster. Let me know if you would like to look at it.

Please feel free to email me off list.

> That was done at the segment
> level, but running it just with parallelized lineq solver should  
> help too because that would allow
> larger segments and larger overlaps.

I may even have a customer that would help fund development for  

v.surf.idw is already pretty fast (in comparison to RST), but do you  
think it could benefit?


Jeshua Lacock, Owner
phone: 208.462.4171

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